clear fetch tkk interval on exit (finally no need for mocha --exit)

package.json

@@ -39,7 +39,7 @@
     "lint": "eslint lib/ *.js test/ && echo Lint passed.",
     "test": "npm run lint && npm run test-ci",
     "test-browser": "node test/browser/start.js",
-    "test-ci": "mocha test/spec/*.js --exit",
+    "test-ci": "mocha test/spec/*.js",
     "test-cov": "nyc mocha test/spec/*.js"
   },
   "license": "Apache-2.0",

scripts/core/translate-api.js

@@ -213,7 +213,12 @@ function initServer() {
 		});
 
 	return q.all([fetchTkkWithExponentialBackoff(), loadLanguages()])
-		.then(() => {setInterval(refreshTkk, 45 * 60 * 1000);});
+		.then(() => {
+			const interval = setInterval(refreshTkk, 45 * 60 * 1000);
+			return {
+				close: () => clearInterval(interval)
+			}
+		});
 }
 
 function fetchTkkWithExponentialBackoff() {

scripts/init-manager.js

@@ -6,7 +6,12 @@ function start() {
 	topologyManager.init();
 
 	return postgresDb.init(process.env.DATABASE_URL)
-		.then(() => translateAPI.init());
+		.then(() => translateAPI.init())
+		.then((closeHandler) => {
+			return {
+				stop: () => closeHandler.close()
+			}
+		});
 }
 
 module.exports = {

scripts/run-server.js

@@ -24,7 +24,7 @@ function startServer() {
 		console.log(`Server listening on: ${port}`);
 	});
 
-	return initManager.start().then(() => {
+	return initManager.start().then((initManagerStopHandle) => {
 		return {
 			stop: () => {
 				const deferred = q.defer();
@@ -33,7 +33,7 @@ function startServer() {
 					deferred.resolve();
 				});
 
-				return deferred.promise;
+				return q.all([deferred.promise, initManagerStopHandle.stop()]);
 			}
 		}
 	});